Home / 1,547,869.86-2,319,055.11-1,320,927.30

Finding the Fourth Proportional to 1,547,869.86, 2,319,055.11 and 1,320,927.30

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Solution

The fourth proportional to 1,547,869.86, 2,319,055.11 and 1,320,927.30 is: 1,979,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,869.86 : 2,319,055.11 = 1,320,927.30 : x
  2. Step 2: Convert to fraction form
    1,547,869.86/2,319,055.11 = 1,320,927.30/x
  3. Step 3: Cross multiply
    1,547,869.86x = 2,319,055.11 × 1,320,927.30
  4. Step 4: Simplify right side
    1,547,869.86x = 3,063,303,205,003.50
  5. Step 5: Solve for x
    x = 3,063,303,205,003.50/1,547,869.86
  6. Step 6: Final answer
    x = 1,979,044.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.